dragon.nlp.ontology
Class AbstractOntology

java.lang.Object
  |
  +--dragon.nlp.ontology.AbstractOntology

All Implemented Interfaces:

Ontology

Direct Known Subclasses:

BasicOntology, UmlsOntology

public abstract class AbstractOntology

extends java.lang.Object

implements Ontology

The class implements all the basic functions related with ontology

Copyright: Copyright (c) 2005

Company: IST, Drexel University

Version:

1.0

Author:

Davis Zhou

Constructor Summary

AbstractOntology(Lemmatiser lemmatiser)

Method Summary

protected java.lang.String	buildString(Word start, Word end, boolean useLemma)
boolean	getAdjectiveTermOption() Gets the option whether adjective term is allowed.
boolean	getCoordinateOption() Gets the option whether a term can contain a conjunction.
protected java.lang.String	getLemma(Word word)
boolean	getLemmaOption() Gets the option of using the base form of the word when matching a term.
java.lang.String	getNonBoundaryPunctuation()
boolean	getNPPOption() Gets the option whether NPP term is allowed.
SemanticNet	getSemanticNet() Gets the semantic network of the ontology
boolean	getSenseDisambiguationOption() Gets the option disambiguating the sense of extracted terms.
SimilarityMetric	getSimilarityMetric() Get the similarity metric of the ontology
protected boolean	isBoundaryWord(Word curWord)
boolean	isStartingWord(Word cur) Tests if the current word could be a starting word of a term.
protected boolean	isUsefulForTerm(Word word)
void	setAdjectiveTermOption(boolean enabled) Sets the option whether adjective term is allowed.
void	setCoordinateOption(boolean enabled) Sets the option whether a term can contain a conjunction.
void	setLemmaOption(boolean enabled) Sets the option of using the base form of the word when matching a term.
void	setNonBoundaryPunctuation(java.lang.String punctuations)
void	setNPPOption(boolean enabled) Sets the option whether NPP term is allowed.
void	setSenseDisambiguationOption(boolean enabled) Sets the option disambiguating the sense of extracted terms.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface dragon.nlp.ontology.Ontology

findAllTerms, findAllTerms, findTerm, findTerm, getCUI, getCUI, getSemanticType, getSemanticType, isTerm, isTerm

Constructor Detail

AbstractOntology

public AbstractOntology(Lemmatiser lemmatiser)

Method Detail

getSemanticNet

public SemanticNet getSemanticNet()

Description copied from interface: Ontology

Gets the semantic network of the ontology

Specified by:

getSemanticNet in interface Ontology

Returns:

the semantic network

getSimilarityMetric

public SimilarityMetric getSimilarityMetric()

Description copied from interface: Ontology

Get the similarity metric of the ontology

Specified by:

getSimilarityMetric in interface Ontology

Returns:

the term smilarity metric

setNonBoundaryPunctuation

public void setNonBoundaryPunctuation(java.lang.String punctuations)

getNonBoundaryPunctuation

public java.lang.String getNonBoundaryPunctuation()

setLemmaOption

public void setLemmaOption(boolean enabled)

Description copied from interface: Ontology

Sets the option of using the base form of the word when matching a term.

Specified by:

setLemmaOption in interface Ontology

Parameters:

enabled - the option of using the base form of the word when matching a term.

getLemmaOption

public boolean getLemmaOption()

Description copied from interface: Ontology

Gets the option of using the base form of the word when matching a term.

Specified by:

getLemmaOption in interface Ontology

Returns:

true if the base form of words is used when matching a term.

setSenseDisambiguationOption

public void setSenseDisambiguationOption(boolean enabled)

Description copied from interface: Ontology

Sets the option disambiguating the sense of extracted terms.

Specified by:

setSenseDisambiguationOption in interface Ontology

Parameters:

enabled - the option disambiguating the sense of extracted terms.

getSenseDisambiguationOption

public boolean getSenseDisambiguationOption()

Description copied from interface: Ontology

Gets the option disambiguating the sense of extracted terms.

Specified by:

getSenseDisambiguationOption in interface Ontology

Returns:

true if the ontology disambiguates the sense of extracted terms.

setAdjectiveTermOption

public void setAdjectiveTermOption(boolean enabled)

Description copied from interface: Ontology

Sets the option whether adjective term is allowed.

Specified by:

setAdjectiveTermOption in interface Ontology

Parameters:

enabled - whether adjective term is allowed.

getAdjectiveTermOption

public boolean getAdjectiveTermOption()

Description copied from interface: Ontology

Gets the option whether adjective term is allowed.

Specified by:

getAdjectiveTermOption in interface Ontology

Returns:

true if adjective term is allowed.

setNPPOption

public void setNPPOption(boolean enabled)

Description copied from interface: Ontology

Sets the option whether NPP term is allowed. For example, "bank of america" is a NPP term

Specified by:

setNPPOption in interface Ontology

Parameters:

enabled - the option whether NPP term is allowed.

getNPPOption

public boolean getNPPOption()

Description copied from interface: Ontology

Gets the option whether NPP term is allowed.

Specified by:

getNPPOption in interface Ontology

Returns:

true if NPP term is allowed.

setCoordinateOption

public void setCoordinateOption(boolean enabled)

Description copied from interface: Ontology

Sets the option whether a term can contain a conjunction. For example, the term "the cancer of neck and hand" contains a conjunction.

Specified by:

setCoordinateOption in interface Ontology

Parameters:

enabled - the option whether a term can contain a conjunction

getCoordinateOption

public boolean getCoordinateOption()

Description copied from interface: Ontology

Gets the option whether a term can contain a conjunction.

Specified by:

getCoordinateOption in interface Ontology

Returns:

true if a term can contain a conjunction.

isStartingWord

public boolean isStartingWord(Word cur)

Description copied from interface: Ontology

Tests if the current word could be a starting word of a term.

Specified by:

isStartingWord in interface Ontology

Parameters:

cur - the current word

Returns:

true f the current word could be a starting word of a term.

isBoundaryWord

protected boolean isBoundaryWord(Word curWord)

getLemma

protected java.lang.String getLemma(Word word)

buildString

protected java.lang.String buildString(Word start,
                                       Word end,
                                       boolean useLemma)

isUsefulForTerm

protected boolean isUsefulForTerm(Word word)